Plummer Blocks

Plummer Block Reference and Designations

The following details apply to SKF's standard plummer blocks, covers, sealing arrangements, etc. and are provided here to assist with the correct designations for the various components.

Brg.
Shaft Dia.		 V-Ring
Seal & Washers		 Felt Seal V-Ring
Cover Plate		 Poly-Urethane Collar Locating Ring Labyrinth
Seal O-Ring		 End Cover
50 TA TC ATA TSNA511 FRB9,5/100 TS11 ASNA511
75 TA TC ATA TSNA517 FRB12,5/150 TS17 ASNA517
90 TA TC ATA TSNA520 FRB12/180 TS20 ASNA520
100 TA TC ATA TSNA522 FRB13,5/200 TS22 ASNA522
110 TA TC ATA TSNA524 FRB14/215 TS24 ASNA524
125 TA TC ATA TSNA528 FRB15/250 TS28 ASNA528
140 TA TC ATA TSNA532 FRB17/290 TS32 ASNA532
160         FRB10/300 TS36 716150/36
180         FRB10/340 TS40 716150/40
200         FRB10/370 TS44 716150/44
220         FRB10/400 TS48 716150/48
240         FRB10/440 TS52 716150/52
260         FRB10/460 TS56 716150/56
280         FRB10/500 TS60 716150/60
300         FRB10/540 TS64 716150/64
320         /580 TS68 716150/68
340         /600 TS72 716150/72
360         /620 TS76 716150/76
380         /650 TS80 716150/80
400         /700 TS84 716150/84
410         /720 TS88 716150/88
430         /760 TS92 716150/92
450         /790 TS96 716150/96
500         /870 TS106 716150/106

Suffix TA to housing e.g. SNA 520 TA, indicates supplied with two V-ring seals and washers.
Suffix TC to housing e.g. SNA 520 TC, indicates supplied with two felt seals and light alloy rings. 
Suffix ATA e.g. SNA 520 ATA, indicates supplied with one V-ring seal and washer and one end cover. 

For polyurethane protective collars see standard No. CM/0900/PB1B. When calling up these parts the material must be stated since SKF also supply light alloy collars with corresponding part numbers.

Locating ring designation indicates width and o/dia e.g. 10/370 = 10 wide x 370 o/dia.